Creatine Supplements and Kidney Health: What the Evidence Says
Creatine is widely used to support high-intensity training and muscle performance. But does creatine harm the kidneys, and why can it change creatinine blo
Reviewing a pain medicine before choosing a safe option.
Can Ibuprofen Raise Creatinine or Lower eGFR?
Can ibuprofen raise creatinine or lower eGFR? Learn when NSAIDs affect kidney blood flow, who needs caution and what to ask about a changed result.
A clinician and patient review blood-test results.
Cystatin C Test: When Creatinine and eGFR Don’t Tell the Full Story
A cystatin C test can help clarify kidney function when creatinine-based eGFR is uncertain. Learn when it helps, what the combined estimate shows and why urine tests still matter.
Three Kidney Tests That Give a Fuller Picture Than Creatinine Alone
Creatinine alone cannot show every aspect of kidney health. Learn how three kidney tests—eGFR, uACR and urinalysis—work together to give a fuller picture.
Can a High-Protein Meal Raise Creatinine and Lower Your eGFR?
Can a high-protein meal raise creatinine? Cooked meat may temporarily increase creatinine and lower calculated eGFR. Here is how to prepare for testing and interpret an unexpected result safely.
Strength training in a gym.
Can Exercise Raise Creatinine and Lower Your eGFR?
A hard workout before a kidney blood test can sometimes raise creatinine and make eGFR appear lower. Learn how to distinguish a temporary exercise effect from a possible kidney problem.
A gym setting for strength and fitness training.
Can Creatine Raise Creatinine Without Damaging Your Kidneys?
Creatine supplements can sometimes raise blood creatinine and make calculated eGFR appear lower. Learn why this happens and which additional tests may clarify your kidney health.
Strenuous exercise may temporarily affect creatinine and creatinine-based eGFR results.
Can Exercise Raise Creatinine Levels? What to Know
Intense exercise can temporarily raise creatinine and lower calculated eGFR. Learn why this happens, what else should be checked and when to seek help.
Dehydration can temporarily affect creatinine and eGFR, but an abnormal result should always be interpreted in its full medical context.
Can Dehydration Cause High Creatinine? What to Know
Can dehydration cause high creatinine? Discover how fluid loss affects kidney test results, when creatinine may improve and when further testing is needed.
Healthcare professional reviewing test results.
Creatinine vs eGFR: Which Kidney Test Matters More?
Creatinine vs eGFR compares a measured blood waste product with an estimate of kidney filtration. Learn how to interpret both results and why UACR also matters.